About the Number

61490400

61490399 ← → 61490401

2進数表記:11101010100100010011100000

漢数字表記:六千百四十九万四百

素因数分解:

2 5 × 3 1 × 5 2 × 25621 1

素因数の和:25644
約数の個数: 72
約数和(自身を含む): 200159064
約数和(自身を除く): 138668664

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 25621, 51242, 76863, 102484, 128105, 153726, 204968, 256210, 307452, 384315, 409936, 512420, 614904, 640525, 768630, 819872, 1024840, 1229808, 1281050, 1537260, 1921575, 2049680, 2459616, 2562100, 3074520, 3843150, 4099360, 5124200, 6149040, 7686300, 10248400, 12298080, 15372600, 20496800, 30745200, 61490400]

約数ペア:
[(1, 61490400), (2, 30745200), (3, 20496800), (4, 15372600), (5, 12298080), (6, 10248400), (8, 7686300), (10, 6149040), (12, 5124200), (15, 4099360), (16, 3843150), (20, 3074520), (24, 2562100), (25, 2459616), (30, 2049680), (32, 1921575), (40, 1537260), (48, 1281050), (50, 1229808), (60, 1024840), (75, 819872), (80, 768630), (96, 640525), (100, 614904), (120, 512420), (150, 409936), (160, 384315), (200, 307452), (240, 256210), (300, 204968), (400, 153726), (480, 128105), (600, 102484), (800, 76863), (1200, 51242), (2400, 25621)]

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